OPENSUSE-SU-2026:21496-1
Vulnerability from csaf_opensuse - Published: 2026-07-29 09:24 - Updated: 2026-09-17 17:40Summary
Security update for perl-Mojolicious
Severity
Moderate
Notes
Title of the patch: Security update for perl-Mojolicious
Description of the patch: This update for perl-Mojolicious fixes the following issues:
Changes in perl-Mojolicious:
- updated to 9.480.0 (9.48)
- Fixed a security issue where CSRF tokens were vulnerable to BREACH attacks. Tokens are now masked with a fresh
random value on every request, instead of being reused for the whole lifetime of a session.
CVE-2026-15747 bsc#1271431
- updated to 9.470.0 (9.47)
- Added support for the QUERY HTTP request method from RFC 10008.
- Added query and query_p methods to Mojo::UserAgent.
- Added query method to Mojolicious::Routes::Route.
- Added query method to Mojolicious::Lite.
- Added query_ok method to Test::Mojo.
- Fixed a security issue where the pure-Perl implementation of Mojo::JSON could exhaust all available memory when
decoding deeply nested data. Decoding is now limited to 512 levels of nesting, to match the default of
Cpanel::JSON::XS.
- Fixed a memory leak in Morbo. (heikojansen)
- Fixed Mojo::File::list_tree to no longer follow symbolic links to directories.
- updated to 9.460.0 (9.46)
- Added random_bytes function to Mojo::Util. (leont)
- Improved randomness for CSRF token generation. (leont)
- Fixed tls_options handling in Mojo::IOLoop::TLS. (krauro)
- Fixed spec compliance issue with attribute selectors in Mojo::DOM::CSS.
- updated to 9.450.0 (9.45)
- Fixed portability issue in WebSocket tests.
- Fixed various spec compliance issues in Mojo::DOM.
- Fixed permessage-deflate support in Mojo::Transaction::WebSocket to be more interoperable with non-spec compliant
implementations.
- Fixed punycode roundtrip bug in Mojo::Util.
- Fixed Windows compatibility issues of Mojo::File::list_tree.
- updated to 9.420.0 (9.42)
- Un-deprecated the spurt method in Mojo::File, it is now an alternative to spew.
- Removed experimental status from top-level await support in Mojo::Promise.
- Removed experimental status from encrypted session cookie support.
- Removed experimental status from persistent cookie support.
- Removed experimental status from samesite cookie support.
- Removed experimental status from colourful log messages.
- Removed experimental status from freeze option in Mojo::IOLoop.
- Removed experimental status from check and raise functions in Mojo::Exception.
- Fixed Cpanel::JSON::XS compatibility issues. (ilmari)
- Fixed async/await memory leak in Mojo::Promise. (TFBW)
Patchnames: openSUSE-Leap-16.0-packagehub-447
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
5.9 (Medium)
Affected products
Recommended
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: openSUSE Leap 16.0:perl-Mojolicious-0:9.480.0-bp160.1.1.noarch | — |
Vendor Fix
|
Threats
Impact
moderate
References
6 references
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"text": "This update for perl-Mojolicious fixes the following issues:\n\nChanges in perl-Mojolicious:\n\n- updated to 9.480.0 (9.48)\n - Fixed a security issue where CSRF tokens were vulnerable to BREACH attacks. Tokens are now masked with a fresh\n random value on every request, instead of being reused for the whole lifetime of a session.\n CVE-2026-15747 bsc#1271431\n\n- updated to 9.470.0 (9.47)\n - Added support for the QUERY HTTP request method from RFC 10008.\n - Added query and query_p methods to Mojo::UserAgent.\n - Added query method to Mojolicious::Routes::Route.\n - Added query method to Mojolicious::Lite.\n - Added query_ok method to Test::Mojo.\n - Fixed a security issue where the pure-Perl implementation of Mojo::JSON could exhaust all available memory when\n decoding deeply nested data. Decoding is now limited to 512 levels of nesting, to match the default of\n Cpanel::JSON::XS.\n - Fixed a memory leak in Morbo. (heikojansen)\n - Fixed Mojo::File::list_tree to no longer follow symbolic links to directories.\n\n- updated to 9.460.0 (9.46)\n - Added random_bytes function to Mojo::Util. (leont)\n - Improved randomness for CSRF token generation. (leont)\n - Fixed tls_options handling in Mojo::IOLoop::TLS. (krauro)\n - Fixed spec compliance issue with attribute selectors in Mojo::DOM::CSS.\n\n- updated to 9.450.0 (9.45)\n - Fixed portability issue in WebSocket tests.\n - Fixed various spec compliance issues in Mojo::DOM.\n - Fixed permessage-deflate support in Mojo::Transaction::WebSocket to be more interoperable with non-spec compliant\n implementations.\n - Fixed punycode roundtrip bug in Mojo::Util.\n - Fixed Windows compatibility issues of Mojo::File::list_tree.\n\n- updated to 9.420.0 (9.42)\n - Un-deprecated the spurt method in Mojo::File, it is now an alternative to spew.\n - Removed experimental status from top-level await support in Mojo::Promise.\n - Removed experimental status from encrypted session cookie support.\n - Removed experimental status from persistent cookie support.\n - Removed experimental status from samesite cookie support.\n - Removed experimental status from colourful log messages.\n - Removed experimental status from freeze option in Mojo::IOLoop.\n - Removed experimental status from check and raise functions in Mojo::Exception.\n - Fixed Cpanel::JSON::XS compatibility issues. (ilmari)\n - Fixed async/await memory leak in Mojo::Promise. (TFBW)\n",
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"date": "2026-07-29T09:24:06Z",
"number": "1",
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"date": "2026-09-16T20:43:59Z",
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"notes": [
{
"category": "general",
"text": "Mojolicious versions from 4.59 before 9.48 for Perl expose a stable representation of the session CSRF token to a BREACH compression oracle.\n\n_csrf_token generates and caches one token per session and returns the same value on every call, and _csrf_field places that value in a hidden `csrf_token` input. When a response carrying the token also echoes attacker-controlled input and is gzip-compressed, the chosen values and the resulting compressed lengths form a BREACH oracle.\n\nAn attacker able to query it can recover the token and pass csrf_protect validation.",
"title": "CVE description"
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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